Another regional internet service provider is getting out of the consumer mailbox hosting business. TDS Telecom has announced that it is winding down inbox hosting, handing off email duties to third-party mailbox provider Everymail.If you manage email list hygiene or deliverability, this is a transition to keep on your radar, because a non-trivial chunk of legacy ISP subscribers are about to be required to pay or abandon their inboxes.TDS Telecom subscribers who wish to retain their existing email addresses are being required to sign up for a paid subscription through Everyone.net. Customers must opt in and sign up for a...